Harrow.



1,274,586. I n APmnd1mg. 6, 191s;

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i 2,5 ployed.

- To all whom t may concern:

Y. sponding parts throughout.

after fully described vThe numeral 1 denotes CARL PETERSON; 0F `HUME,CALIFORNIA.

HABBOW.

Specification of Letters Patent.

Patented Aug. e, 191s.

Application filed January 10, 1917. Serial No..141,598.

Be it known kthat I, CARL PETERSON, a citizen of Sweden, residing atIIume,in the county of Fresno and Statey of California, have inventedcertain new and useful Improvements in I-Iarrows, of which the followingis a specification.

This invention-relates to improvements in harrows'and one object is toprovide a harrow having means for automaticallylguid .ing or steeringthe device during operation.

W'th the foregoing and yother objects in view the invention consists inthe combination and arrangement of'parts to be hereinin thisspecification, pointed out in the appended claims and illustrated in theaccompanying drawing which forms a part 'of said speciication and inwhich Figure l is a'perspective view of the harrow.

A Fig. is a planview of one steering den vice employed.

Fig. 3 is a View of the form of tooth em- Like reference charactersdenote correthe frame and the numeral 2 denotes cross bars connectingthe sides of the frame. The sidesr of the frameA are provided with teeth3 which have threaded Shanks i adapted'to screw-into threadedv openingsin the said frame andin said cross bars. VAtv points equidistant-fromone corner 5 of the frame Ik providestemsr 6 carried by `the yframe and.Copiel of thii patent my be obtainenclf` for` one of the cross bars l2,said stem carrying vthe krudder Vformed of three outwardly curved teeth7 which drag throughY the earth and serve to steady the device and keepit running in a straight line. To the corner of the frame diagonallyopposite the corner 5 a-hookS is secured to which the team pulllng theharrow is hitched. The harrow being of squareformation and the pull com-Y ing from one corner of the same and the rndders being placedequidistant from the corner ofthe frame diagonally opposite the pullcorner it is obvious that lateral movement ofthefdevice will beobviated.

What is claimed iszl. In a harrow, a square frameprovided with teeth, adraft hook secured to one corner of said frame Aand anchors two sides ofsaid frame and spaced away from the frame corner diagonally opposite thedraft-hookcorner. Y

2. In a toothed harrow, a square frame, and anchors spaced equaldistances from one corner of said frame, said anchorsv com# prisingcurved teeth diverging from a central stem, harrow frame.

In testimony that as my own I have hereto I claim the foregoing aHiXedmy signa- EMANUEL JOHNSON, f AXEL JOHNSON.`

Ave cents each, by edili-elsing the 'Cnnimissionerpd Taten,Washingtamn." Y

carried by .55v

and said stem being'carried bythe

